Kuzio Corporation produces and sells a single product. Data concerning that product appear below:

Per Unit Percent of Sales

Selling price $ 140 100 %

Variable expenses 56 40 %

Contribution margin $ 84 60 %

The company is currently selling 6,000 units per month. Fixed expenses are $202,000 per month. The marketing manager believes that a $7,200 increase in the monthly advertising budget would result in a 140 unit increase in monthly sales. What should be the overall effect on the company's monthly net operating income of this change?